Tag name : Concept Smart stickers for products

August 24th, 2017

American chemists have created stickers that could help determine whether a product is overdue. They managed to partially achieve success. Their invention is extremely important for ordinary users. After all, people are most often guided by the expiration date, which is indicated on the stickers of the products. But in fact, the expiration date is often not correct.. Sellers arbitrarily change the...